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Set overflow flag for V_ADD_I32

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This commit is contained in:
offtkp 2024-09-02 05:25:53 +03:00
parent 5f6a9d07ac
commit 0d81774464
1 changed files with 7 additions and 2 deletions
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9
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -411,8 +411,13 @@ void Translator::V_ADD_I32(const GcnInst& inst) {
const IR::U32 src0{GetSrc(inst.src[0])};
const IR::U32 src1{ir.GetVectorReg(IR::VectorReg(inst.src[1].code))};
const IR::VectorReg dst_reg{inst.dst[0].code};
ir.SetVectorReg(dst_reg, ir.IAdd(src0, src1));
// TODO: Carry
const IR::U32 result{ir.IAdd(src0, src1)};
ir.SetVectorReg(dst_reg, result);
const IR::U32 sign_mask{ir.Imm32(1 << 31)};
const IR::U32 sign0{ir.BitwiseAnd(src0, sign_mask)};
const IR::U32 sign1{ir.BitwiseAnd(src1, sign_mask)};
const IR::U32 signr{ir.BitwiseAnd(result, sign_mask)};
ir.SetVcc(ir.LogicalAnd(ir.IEqual(sign0, sign1), ir.INotEqual(sign0, signr)));
}
void Translator::V_ADDC_U32(const GcnInst& inst) {